Most colds clear up on their own, but some get worse. Here are the warning signs your cold is getting worse—and when to ...

When you first start coughing, feel fatigued, and notice a low-grade fever, it can be hard to determine whether you have the common cold or bronchitis. A cold can potentially turn into bronchitis.

A type of pneumonia infection that’s increasing in the U.S. prompted a warning from the Centers for Disease Control and Prevention (CDC). Mycoplasma pneumoniae (M. pneumoniae) is a type of bacteria ...

If you feel ill but your symptoms are only above the neck — a stuffy nose, a bit of a sore throat — you could just have a ...